Annual report pursuant to Section 13 and 15(d)

Business Acquisitions - Additional Information (Details)

v3.23.3
Business Acquisitions - Additional Information (Details)
$ in Thousands
 12 Months Ended
Aug. 01, 2023
USD ($)
May 01, 2023
USD ($)
Apr. 03, 2023
USD ($)
Dec. 01, 2022
USD ($)
plant
Nov. 18, 2022
USD ($)
plant
Sep. 30, 2023
USD ($)
acquisition
Sep. 30, 2022
USD ($)
Sep. 30, 2021
USD ($)
Business Acquisition [Line Items]                
Gain on facility exchange           $ 5,389 $ 0 $ 0
Goodwill           159,270 129,465 85,422
General and administrative expenses           300 $ 800 $ 1,300
Acquisition-related Costs                
Business Acquisition [Line Items]                
Interest expense           300    
2023 Acquisitions                
Business Acquisition [Line Items]                
Total cash consideration transferred           $ 92,000    
Number of acquisitions during period | acquisition           5    
Goodwill           $ 29,589    
Revenues since acquisition date           86,900    
Net income           1,000    
Tennessee Acquisition                
Business Acquisition [Line Items]                
Number of plants acquired | plant         3      
Total cash consideration transferred         $ 9,500      
Cash proceeds         37,000      
Gain on facility exchange         $ 5,400      
Goodwill           10    
North Carolina Acquisition                
Business Acquisition [Line Items]                
Number of plants acquired | plant       3        
Total cash consideration transferred       $ 67,300        
Goodwill           26,281    
Upstate South Carolina Acquisition (Provisional)                
Business Acquisition [Line Items]                
Total cash consideration transferred     $ 5,000          
Goodwill           774    
Coastal South Carolina Acquisition                
Business Acquisition [Line Items]                
Goodwill           2,407    
Alabama Acquisition                
Business Acquisition [Line Items]                
Total cash consideration transferred   $ 1,100            
Goodwill           117    
CR Jackson Inc                
Business Acquisition [Line Items]                
Total cash consideration transferred $ 9,100              
2022 Acquisitions - Final                
Business Acquisition [Line Items]                
Change in goodwill due to purchase price allocations           $ 2,600